Mold on a loaf of breads grows exponentially at a rate or 2% every 4 hours. Given that there were 5mg of mold to start with, which expression can be used to determine how much mold is present after 2 days?
O A= 5(1 +.02)^6
O A=5 (1 +.02)^2
O A=5 (1 +.02)^4
O A=5 (1 +.02)^12

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?